Physics, 29.06.2019 17:10 adamkinney9345
Lithium has only two stable isotopes. use the sim to determine the following a. atomic mass of lithium-6 = b. atomic mass of lithium-7 = average atomic mass of a sample containing three lithium-6 atoms and two lithiun 4. 6.01512 amu 7.01600 amu c. 6.41548 atoms. amu d. is the average atomic mass you just determined closer to the mass of lithium-6 or lithium-7? explain it 6.41548 is closer to lithium 6 at 6.01512 then lithium 7 at 7.01600 5. describe a method to calculate the average atomic mass of the sample in the previous question using only the atomic masses of lithium-6 and lithium-7 without using the simulation. 6. test your method by creating three sample mixtures of isotopes with the sim and see
Answers: 2
Physics, 22.06.2019 04:50
Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?
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Physics, 22.06.2019 06:00
Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
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Physics, 22.06.2019 13:40
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Lithium has only two stable isotopes. use the sim to determine the following a. atomic mass of lithi...
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